class Poco::NullStreamBuf

Overview

This stream buffer discards all characters written to it. More…

#include <NullStream.h>

class NullStreamBuf: public Poco::BasicUnbufferedStreamBuf
{
protected:
    // methods

    virtual
    int
    readFromDevice();

    int
    writeToDevice(char c);
};

Inherited Members

public:
    // methods

    virtual
    int_type
    overflow(int_type c);

    virtual
    int_type
    underflow();

    virtual
    int_type
    uflow();

    virtual
    int_type
    pbackfail(int_type c);

    virtual
    std::streamsize
    xsgetn(
        char_type* p,
        std::streamsize count
        );

protected:
    // typedefs

    typedef std::basic_streambuf<ch, tr> Base;
    typedef std::basic_ios<ch, tr> IOS;
    typedef ch char_type;
    typedef tr char_traits;
    typedef Base::int_type int_type;
    typedef Base::pos_type pos_type;
    typedef Base::off_type off_type;
    typedef IOS::openmode openmode;

    // methods

    static
    int_type
    charToInt(char_type c);

Detailed Documentation

This stream buffer discards all characters written to it.

Any read operation immediately yields EOF.

Construction

~NullStreamBuf()

Destroys the NullStreamBuf.